A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-00-232-1039
NSN 6220-00-968-6665
NSN 5910-00-855-7742
NSN 5975-01-151-6553
NSN 5945-00-881-4772
NSN 6220-00-334-7008
NSN 5855-01-417-3250
NSN 5990-01-307-4489
NSN 5999-01-010-0789
NSN 5950-01-350-3702
NSN 5855-00-013-1244
NSN 2925-00-163-9016